CN217504754U - Non-shaft part circle center searching device for roundness measuring instrument - Google Patents
Non-shaft part circle center searching device for roundness measuring instrument Download PDFInfo
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- CN217504754U CN217504754U CN202221104457.3U CN202221104457U CN217504754U CN 217504754 U CN217504754 U CN 217504754U CN 202221104457 U CN202221104457 U CN 202221104457U CN 217504754 U CN217504754 U CN 217504754U
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- measuring instrument
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Abstract
The utility model relates to a circle center searching device for non-shaft parts for a roundness measuring instrument, belonging to the production field, comprising an installation cylinder, wherein a light source is arranged in the installation cylinder; a telescopic cylinder is movably connected to one side of the mounting cylinder, which is provided with the light source, and is movably arranged along the direction close to or far away from the light source; a convex lens is arranged on one side of the telescopic cylinder, which is far away from the mounting cylinder; an optical path is formed between the light source and the convex lens; the light path measuring device also comprises a circumferential sample plate arranged in the extending direction of the light path; and adjusting the distance between the telescopic cylinder and the mounting cylinder to make the image of the light source penetrating through the convex lens coincide with the circumferential sample plate so as to find the circle center. The utility model provides a non-axle type part centre of a circle searching device for roundness measuring equipment utilizes the projection imaging principle, realizes the quick searching in the centre of a circle, can be applicable to the centre of a circle searching of inside and outside and excircle circumference simultaneously, improves roundness measuring equipment to the detection efficiency of non-axle type part.
Description
Technical Field
The utility model belongs to the manufacturing field relates to a device is look for in non-axle type part centre of a circle for roundness measuring equipment.
Background
The roundness measuring instrument generally needs to use a triangular chuck to find the circle center for measuring the roundness of the part. However, most parts are non-shaft parts, the appearance is irregular, the circle center can only be found by using a rough visual inspection mode, and then the circle to be measured and the rotation center of the measuring needle of the roundness measuring instrument are concentric by continuous fine adjustment, so that the method is time-consuming and labor-consuming in finding the center, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a low cost is provided for using the roundness measuring equipment to detect non-axle type part, seeks the swift device in centre of a circle.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a circle center searching device for non-shaft parts for a roundness measuring instrument comprises an installation cylinder, wherein a light source is arranged in the installation cylinder; a telescopic cylinder is movably connected to one side, provided with the light source, of the installation cylinder, and the telescopic cylinder is movably arranged in the direction close to or far away from the light source; a convex lens is arranged on one side of the telescopic cylinder, which is far away from the mounting cylinder; a light path is formed between the light source and the convex lens; the device also comprises a circumferential sample plate arranged in the extending direction of the light path; and adjusting the distance between the telescopic cylinder and the mounting cylinder to make the image of the light source penetrating through the convex lens coincide with the circumferential sample plate so as to find the circle center.
Optionally, the mounting cylinder is connected with the telescopic cylinder through a screw pair.
Optionally, a roundness measuring instrument is mounted on one side of the mounting cylinder, which is far away from the telescopic cylinder, and the roundness measuring instrument is mounted on the mounting cylinder through a measuring pin fixing shaft; the installation barrel is provided with a abdicating groove, and a roundness measuring instrument measuring needle is arranged in the abdicating groove.
Optionally, the circular measuring instrument further comprises a circular measuring instrument rotary table, and a triangular chuck used for clamping the circular sample plate is arranged on the circular measuring instrument rotary table.
Optionally, the circumferential template is provided with a plurality of different sizes.
Alternatively, a circular or cylindrical light source is used.
The beneficial effects of the utility model reside in that:
the utility model provides a non-axle type part centre of a circle searching device for roundness measuring equipment utilizes the projection imaging principle, realizes the quick searching in the centre of a circle, can be applicable to the centre of a circle searching of inside and outside and excircle circumference simultaneously, improves roundness measuring equipment to the detection efficiency of non-axle type part.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification which follows.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a cross-sectional view of the present invention;
fig. 2 is an external view of the present invention;
FIG. 3 is a schematic diagram of the operation of the present invention;
fig. 4 is an operation diagram of the present invention.
Reference numerals are as follows: the device comprises an installation cylinder 1, a light source 2, a telescopic cylinder 3, a convex lens 4, a circumferential sample plate 5, a roundness measuring instrument 6, a measuring pin fixing shaft 7, a roundness measuring instrument measuring pin 8, a triangular chuck 9, a roundness measuring instrument rotary table 10 and a part to be measured 11.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1 to 4, a circle center searching device for a non-shaft part for a roundness measuring instrument 6 includes an installation cylinder 1, and a light source 2 is arranged in the installation cylinder 1; the side, provided with the light source 2, of the mounting cylinder 1 is movably connected with a telescopic cylinder 3, and the telescopic cylinder 3 is movably arranged in a direction close to or far away from the light source 2; a convex lens 4 is arranged on one side of the telescopic cylinder 3 far away from the mounting cylinder 1; a light path is formed between the light source 2 and the convex lens 4; further comprising a circumferential template 5 arranged in the direction of extension of the light path; through the adjustment telescopic cylinder 3 with the interval of installation cylinder 1 makes light source 2 sees through the formation of image of convex lens 4 with the circumference model 5 coincides in order to look for the centre of a circle, the utility model discloses a circular or cylindrical light source is used for forming circular formation of image.
In order to realize the function of continuously and linearly adjusting the size of an imaging circle, the mounting cylinder 1 is connected with the telescopic cylinder 3 by a thread pair, so that the relative positions of the light source 2 and the convex lens 4 can be adjusted according to the different diameters of the part to be measured 11, and the adjustment of the circumferences of the parts with different diameters is realized; in the embodiment, a roundness measuring instrument 6 is installed on one side of the installation cylinder 1 far away from the telescopic cylinder 3, and the roundness measuring instrument 6 is installed on the installation cylinder 1 through a measuring needle fixing shaft 7; the installation barrel 1 is provided with a abdicating groove, and a roundness measuring instrument measuring needle 8 is arranged in the abdicating groove.
In order to realize the centering of the part 11 to be measured, the utility model also comprises a roundness measuring instrument turntable 10, wherein a triangular chuck 9 for clamping the circumferential sample plate 5 is arranged on the roundness measuring instrument turntable 10; the circumference model 5 is provided with a plurality of different sizes to adapt to the size of the part to be measured 11, and the imaging size can be quickly adjusted by manufacturing the circumference model 5 with the same diameter as the part to be measured 11, so that the searching efficiency of the circle center is improved.
In the use process of the utility model, a roundness measuring instrument measuring pin fixing shaft 7 is inserted into the fixed mounting cylinder 1 and is fastened by screws or pins; then clamping the circumferential sample plate 5 by using a triangular chuck 9, turning on the light source 2, projecting a complete circular pattern by the light source 2 through the convex lens 4, realizing zooming of the light source 2 by adjusting a thread pair of the telescopic cylinder 3 and the fixed mounting cylinder 1, and adjusting the size of an image to be consistent with that of the circumferential sample plate 5 by the imaging principle of the convex lens 4, as shown in fig. 3; and finally, moving the triangular chuck 9 away, moving the part to enable the imaging circle to coincide with the circumference of the round hole of the part to be measured 11, and finding the circle center to measure, as shown in fig. 4.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a device is look for to non-axle type part centre of a circle for roundness measuring equipment which characterized in that: the device comprises an installation cylinder, wherein a light source is arranged in the installation cylinder; a telescopic cylinder is movably connected to one side of the mounting cylinder, which is provided with the light source, and is movably arranged along the direction close to or far away from the light source; a convex lens is arranged on one side of the telescopic cylinder, which is far away from the mounting cylinder; an optical path is formed between the light source and the convex lens; the light path measuring device also comprises a circumferential sample plate arranged in the extending direction of the light path; and adjusting the distance between the telescopic cylinder and the mounting cylinder to make the image of the light source penetrating through the convex lens coincide with the circumferential sample plate so as to find the circle center.
2. The circle center searching device for the non-shaft parts for the roundness measuring instrument according to claim 1, characterized in that: the mounting cylinder is connected with the telescopic cylinder through a thread pair.
3. The circle center searching device for the non-shaft parts for the roundness measuring instrument according to claim 1, characterized in that: a roundness meter is mounted on one side, far away from the telescopic cylinder, of the mounting cylinder and is mounted on the mounting cylinder through a measuring needle fixing shaft; the installation barrel is provided with a abdicating groove, and a roundness measuring instrument measuring needle is arranged in the abdicating groove.
4. The circle center searching device for the non-shaft parts for the roundness measuring instrument according to claim 1, characterized in that: the circular meter rotating table is provided with a triangular chuck for clamping the circumferential sample plate.
5. The circle center searching device for the non-shaft parts for the roundness measuring instrument according to claim 1, characterized in that: the circumferential sample plate is provided with a plurality of types with different sizes.
6. The circle center searching device for the non-shaft parts for the roundness measuring instrument according to claim 1, characterized in that: circular or cylindrical light sources are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221104457.3U CN217504754U (en) | 2022-05-09 | 2022-05-09 | Non-shaft part circle center searching device for roundness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221104457.3U CN217504754U (en) | 2022-05-09 | 2022-05-09 | Non-shaft part circle center searching device for roundness measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504754U true CN217504754U (en) | 2022-09-27 |
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ID=83351226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221104457.3U Active CN217504754U (en) | 2022-05-09 | 2022-05-09 | Non-shaft part circle center searching device for roundness measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504754U (en) |
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2022
- 2022-05-09 CN CN202221104457.3U patent/CN217504754U/en active Active
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